1. Renal Division, Department of Medicine, Peking University First Hospital, Beijing, People's Republic of China
2. Institute of Nephrology, Peking University, Beijing, People's Republic of China
3. Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, People's Republic of China
4. Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education of China, Beijing, People's Republic of China
5. Department of Nephrology, Peking University International Hospital, Beijing, People's Republic of China
6. Peking-Tsinghua Center for Life Sciences, Beijing, People's Republic of China